Question

Lester Hollar is vice president for human resources for a large manufacturing company. In recent years, he has noticed an increase in absenteeism that he thinks is related to the general health of the employees. Four years ago, in an attempt to improve the situation, he began a fitness program in which employees exercise during their lunch hour. To evaluate the program, he selected a random sample of eight participants and found the number of days each was absent in the six months before the exercise program began and in the last six months following the exercise program. Below are the results.

Employee	Before	After
1	7	4
2	6	4
3	7	3
4	5	2
5	4	2
6	5	6
7	6	3
8	5	7

At the 0.01 significance level, can he conclude that the number of absences has declined? Hint: For the calculations, assume the "Before" data as the first sample.

Reject H0 if t >  . (Round your answer to 3 decimal places.)

The test statistic is   . (Round your answer to 3 decimal places.)

The p-value is  (Click to select)  between 0.0005 and 0.001  between 0.005 and 0.05  between 0.025 and 0.05  .

Decision:  (Click to select)  Do not reject  Reject  H0.

Answer 1

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